Home / 547,973,744.21-821,960,600.43-252,781,526.17

Finding the Fourth Proportional to 547,973,744.21, 821,960,600.43 and 252,781,526.17

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Solution

The fourth proportional to 547,973,744.21, 821,960,600.43 and 252,781,526.17 is: 379,172,281.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,973,744.21 : 821,960,600.43 = 252,781,526.17 : x
  2. Step 2: Convert to fraction form
    547,973,744.21/821,960,600.43 = 252,781,526.17/x
  3. Step 3: Cross multiply
    547,973,744.21x = 821,960,600.43 × 252,781,526.17
  4. Step 4: Simplify right side
    547,973,744.21x = 207,776,455,022,931,232
  5. Step 5: Solve for x
    x = 207,776,455,022,931,232/547,973,744.21
  6. Step 6: Final answer
    x = 379,172,281.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.